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IB Biology HL A4.2.7 Conservation Approaches Questions

Practise IB Biology HL A4.2.7 by evaluating in situ and ex situ strategies, reserve biogeography, corridors, biological control and rewilding.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Distinguish and compare in situ conservation in natural habitats with ex situ conservation in controlled settings, including advantages and limitations.
  • Describe ex situ methods such as zoos, captive breeding, botanical gardens, seed or gene banks and reintroduction of endangered species.
  • Explain advantages and active-management techniques of in situ conservation, including reserves, monitoring, anti-poaching and reintroduction.
  • Outline or evaluate biological control using a named invasive species and control organism, including selectivity, ecosystem risk and containment precautions.
  • Explain reserve biogeography and wildlife corridors using area, edge effects, connectivity, movement and genetic exchange.

Learn this topic

Study A4.2.7—Conservation approaches conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Biology HL A4.2.7 Conservation Approaches Questions question 1

[Maximum number: 1]

Distinguish between in situ and ex situ conservation.

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